16797640

素因数分解:

$2^3\times 5^1\times {\mathrm{463}}^1\times {\mathrm{907}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 37918080

約数和(自身を除く): 21120440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 463, 907, 926, 1814, 1852, 2315, 3628, 3704, 4535, 4630, 7256, 9070, 9260, 18140, 18520, 36280, 419941, 839882, 1679764, 2099705, 3359528, 4199410, 8398820, 16797640]

約数ペア:

[(1, 16797640), (2, 8398820), (4, 4199410), (5, 3359528), (8, 2099705), (10, 1679764), (20, 839882), (40, 419941), (463, 36280), (907, 18520), (926, 18140), (1814, 9260), (1852, 9070), (2315, 7256), (3628, 4630), (3704, 4535)]